electic ignition, scope or laser sight, plastic stock, bolt action, convert to take cartrige and smokeless powder could make a good deer rifle out of it.
It took years to get a primitive guns and modern firearms separated for hunting , and modern so called muzzleloader, scoped and jacket bullels are ruining primitive hunting.. TN now lets crossbow with scopes hunt in archery season. I have a rem seven in 308, scoped and is no where as much to hunt with as a flint gun